Organic light emitting diode display device
An organic light emitting diode display device includes a substrate, a light emitting layer, a first power supply wire, a second power supply wire, a connection pattern, and an upper electrode. The substrate has a display region, a peripheral region surrounding the display region and including first, second, and third peripheral regions, and a pad region disposed on one side of the peripheral region. The light emitting layer is disposed in the display region on the substrate. The first power supply wire is disposed in the second and third peripheral regions and a part of the first peripheral region on the substrate. The second power supply wire is disposed in the display region, the first peripheral region, and the third peripheral region on the substrate without being disposed in the second peripheral region, and is located inward of the first power supply wire.
1. An organic light emitting diode display device comprising:
a substrate having a display region, a peripheral region at least partially surrounding the display region and including a first peripheral region, a second peripheral region, and a third peripheral region, and a pad region disposed on one side of the peripheral region, the second peripheral region between the first peripheral region and the third peripheral region in a plan view and the second peripheral region partially surrounding a first edge of the display region and a second edge of the display region, the second edge adjacent to the first edge;
a light emitting layer disposed on the substrate in the display region;
a first power supply disposed in the second and third peripheral regions and a part of the first peripheral region on the substrate;
a second power supply disposed in the display region, the first peripheral region, and the third peripheral region on the substrate without being disposed in the second peripheral region, and being at least partially surrounded by the first power supply;
a planarization layer disposed in the display region and a part of the peripheral region on the first power supply and the second power supply, and having an undulating shape in at least one of the first, second, or third peripheral regions;
a conductive pattern partially overlapped with the first power supply in the second and third peripheral regions and the part of the first peripheral region on the planarization layer, electrically connected to the first power supply, and having an undulating shape in at least one of the first, second, or third peripheral regions; and
an upper electrode disposed in the display region and the part of the peripheral region on the conductive pattern and the light emitting layer, partially overlapped with the first power supply and the conductive pattern, electrically connected to the conductive pattern, and having an undulating shape in at least one of the first, second, or third peripheral regions; and
wherein the first power supply has a first width in the second peripheral region and a second width in the third peripheral region, the second width less than the first width.
2. The organic light emitting diode display device of claim 1 , further comprising a plurality of concavo-convex patterns disposed between the planarization layer and the first power supply.
3. The organic light emitting diode display device of claim 1 , wherein the second power supply comprises a wire including:
a first portion disposed in the first peripheral region;
a second portion disposed in the display region and having a grid shape; and
a third portion disposed in a part of the third peripheral region to at least partially surround the second portion, and
the first, second, and third portions of the wire are formed integrally with each other.
4. The organic light emitting diode display device of claim 3 , wherein the second portion of the wire has a lattice shape in one part of the display region, and has a bar shape in another part of the display region.
5. The organic light emitting diode display device of claim 1 , wherein at least one of the conductive pattern and the upper electrode has an undulating shape in the first peripheral region.
6. The organic light emitting diode display device of claim 1 , further comprising:
a protective insulating layer disposed in the display region and the peripheral region between the substrate and the light emitting layer, and defining an opening in the second peripheral region;
a first planarization layer disposed in the display region and a part of the peripheral region on the protective insulating layer to expose the opening of the protective insulating layer; and
a second planarization layer disposed in the display region and a part of the peripheral region on the first planarization layer, and having a plurality of openings exposing the first power supply in the second peripheral region.
7. The organic light emitting diode display device of claim 6 , wherein the second planarization layer located in the first peripheral region has an undulating shape.
8. The organic light emitting diode display device of claim 6 , further comprising a plurality of concavo-convex patterns disposed between the first planarization layer and the second planarization layer.
9. The organic light emitting diode display device of claim 6 , further comprising a lower electrode disposed in the display region on the second planarization layer, wherein the upper electrode is disposed on the lower electrode, and the upper electrode extends from the display region to the peripheral region.
10. The organic light emitting diode display device of claim 9 , wherein the upper electrode makes direct contact with the conductive pattern in the second peripheral region.
11. The organic light emitting diode display device of claim 1 , wherein the undulating shape of the conductive pattern directly contacts the undulating shape of the upper electrode and the undulating shape of the planarization layer.